As one possible solution to the well-known financing crisis of unfunded social security systems, an increase in the retirement age is a popular option. To induce workers to retire later, it has been proposed to strengthen the link between retirement age and benefit level. The present paper is...

A Einführung in die Arbeit -- B Darstellung der Ausgangssituation -- C Marktversagen -- D Strategische Handelspolitik -- E Konkurrenzverhalten der Wettbewerbskräfte -- F Schlussfolgerungen -- Quellenverzeichnis.